allow nbclient 0.10 (#1462)

* bump nbclient upper bound

* Remove upper bound

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Co-authored-by: Duc Trung Le <[email protected]>

Author: minrk

pyproject.toml

@@ -39,7 +39,7 @@ dependencies = [
     "jupyter_core>=4.11.0",
     "jupyter_server>=2.0.0,<3",
     "jupyterlab_server>=2.3.0,<3",
-    "nbclient>=0.4.0,<0.8",
+    "nbclient>=0.4.0",
     "nbconvert>=6.4.5,<8",
     "traitlets>=5.0.3,<6",
     "websockets>=9.0",